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Prabha Arivalagan

AI Engineer writing about agents, LLMs, and cloud infrastructure

Recent Writing

Building AI Agents in Google Cloud: Choose the Right Approach for Your Needs

October 04, 2025 • adk, agent-framework

  • ADK → Google-developed open-source framework for building complex multi-agent systems with maximum control and modularity - Conversational Agents (Dialogflow CX) → Omnichannel...

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The Language of Agents - Decoding Messages in LangChain & LangGraph

May 13, 2025 • llm

Ever wondered how apps get AI to chat, follow instructions, or even use tools? A lot of the magic comes down to "messages." Think of them as the notes passed between you, the AI,...

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Building Personal Chatbot - Part 2

August 18, 2024 • llm

In our previous post, we explored building a chatbot for Obsidian notes using Langchain and basic Retrieval-Augmented Generation (RAG) techniques. Today, I am sharing the...

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Building an Obsidian Knowledge base Chatbot: A Journey of Iteration and Learning

April 29, 2024 • llm, obsidian-kb

As an avid Obsidian user, I've always been fascinated by the potential of leveraging my daily notes as a personal knowledge base. Obsidian has become my go-to tool for taking...

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Quantized LLM Models

April 19, 2024 • llm

Large Language Models (LLMs) are known for their vast number of parameters, often reaching billions. For example, open-source models like Llama2 come in sizes of 7B, 13B, and 70B...

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